Rubber Oil Seal, 1. Material: NBR, SILICONE, VITON,HNBR, CR, PTFE, EPDM, ACM ,FKM,etc. ... , TB, TA, SC, SB, SA, VC, VB, Rubber Oil Seal, 1. Material: NBR, SILICONE, VITON,HNBR, CR, PTFE, EPDM, ACM ,FKM,etc ... , VB, VA, KC, KB, KA, DC, DB etc,Rubber Oil Seal,1. Material: NBR, SILICONE, VITON,HNBR, CR, PTFE, EPDM, ACM ,FKM ...